**5. Patents**

The composition used as a matrix for the incorporation of essential oils was proposed for patenting at the State Office for Inventions and Trademarks in Romania, registered with number A000737/06.12.2021.

**Supplementary Materials:** The following supporting information can be downloaded at: https:// www.mdpi.com/article/10.3390/gels8080505/s1, Figure S1: Photos of the films;

**Author Contributions:** Conceptualization, R.G.P.; methodology, R.G.P.; software, A.L.; validation, R.G.P., A.L. and G.G.; writing—original draft preparation, R.G.P.; writing—review and editing, A.L.; supervision, G.G.; project administration, R.G.P. and G.G. All authors have read and agreed to the published version of the manuscript.

**Funding:** This work was supported by a grant of the Romanian Ministry of Research, Innovation and Digitization, CNCS/CCCDI–UEFISCDI, project number PN-III-P1-1.1-PD-2019-0793, within PNCDI III.

**Institutional Review Board Statement:** Not applicable.

**Informed Consent Statement:** Not applicable.

**Data Availability Statement:** Not applicable.

**Conflicts of Interest:** The authors declare no conflict of interest.
